From 4f92c454d5cac0d1878fa5f6688f10fddd0b4e7c Mon Sep 17 00:00:00 2001
From: Steven Dan <guang1025@163.com>
Date: Thu, 11 Jun 2026 08:59:20 +0800
Subject: [PATCH] update flash size 3000k

---
 lib_xua/lib_xua/src/dfu/flash_interface.c                   | 2 +-
 .../src/extensions/dfu_flash_interface.c                    | 5 +----
 .../src/extensions/dfu_upgrade.c                            | 2 +-
 .../src/extensions/dfu_upgrade.h                            | 6 +++++-
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/lib_xua/lib_xua/src/dfu/flash_interface.c b/lib_xua/lib_xua/src/dfu/flash_interface.c
index c42020f..1bb24e5 100644
--- a/lib_xua/lib_xua/src/dfu/flash_interface.c
+++ b/lib_xua/lib_xua/src/dfu/flash_interface.c
@@ -23,7 +23,7 @@
  */
 #ifndef FLASH_MAX_UPGRADE_SIZE
 //#define FLASH_MAX_UPGRADE_SIZE (512 * 1024)
-#define FLASH_MAX_UPGRADE_SIZE (2800 * 1024)
+#define FLASH_MAX_UPGRADE_SIZE (3000 * 1024)
 #endif
 
 #define FLASH_ERROR() do {} while(0)
diff --git a/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_flash_interface.c b/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_flash_interface.c
index 5b6f154..e8933b3 100644
--- a/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_flash_interface.c
+++ b/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_flash_interface.c
@@ -8,15 +8,12 @@
 #include <xclib.h>
 #include <stdio.h>
 #include "debug_print.h"
+#include "dfu_upgrade.h"
 
 #include "xua.h"
 
 #if HID_DFU_EN
 
-#ifndef DFU_FLASH_MAX_UPGRADE_SIZE
-#define DFU_FLASH_MAX_UPGRADE_SIZE (2800 * 1024)
-#endif
-
 #define DFU_FLASH_ERROR()
 
 static int dfu_flash_device_open = 0;
diff --git a/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.c b/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.c
index 9c8cfb4..b76ded3 100644
--- a/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.c
+++ b/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.c
@@ -95,7 +95,7 @@ unsigned char handle_firmware_upgrade_start(uint8_t data[], uint16_t len)
 
     debug_printf("g_first_page_write_executed: %d\n", g_first_page_write_executed);
 
-    if (firmware_size == 0 || firmware_size > FLASH_MAX_UPGRADE_SIZE) {
+    if (firmware_size == 0 || firmware_size > DFU_FLASH_MAX_UPGRADE_SIZE) {
         debug_printf("Firmware upgrade error: invalid size %lu\n", firmware_size);
         response[0] = STATUS_SIZE_INVALID;
         send_firmware_upgrade_response(FIRMWARE_UPGRADE_START, response, 1);
diff --git a/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.h b/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.h
index da5da73..6a80ac0 100644
--- a/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.h
+++ b/sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dfu_upgrade.h
@@ -44,7 +44,11 @@ typedef enum {
 // 数据包格式：同步头(1) + 命令码(1) + 块序号(2) + 数据长度(1) + 数据(N) + Checksum(1)
 // 所以最大数据长度 = 63 - 5(头部) - 1(Checksum) = 57字节
 #define MAX_DATA_BLOCK_SIZE         57      // 最大数据块大小（63字节HID数据包 - 5字节头部 - 1字节Checksum）
-#define FLASH_MAX_UPGRADE_SIZE      (2000 * 1024)  // 最大固件大小1400KB
+
+#ifndef DFU_FLASH_MAX_UPGRADE_SIZE
+#define DFU_FLASH_MAX_UPGRADE_SIZE (3000 * 1024)
+#endif
+
 
 // 页缓冲区结构
 typedef struct {